124 results about "Road transport" patented technology

The invention discloses a multi-target road transportation path planning method and system based on multiple parameters A * and NSGA-II, and belongs to the technical field of road transportation path optimization. The method comprises the following steps: constructing a large-scale road network directed graph structure; establishing a satellite orbit model and a risk distribution model, calculating a dynamic risk value of a roadside, and forming dynamic road network data; a three-stage initialization strategy is adopted to generate an initial population, transportation time and reconnaissance risks are taken as double targets, evolutionary optimization is carried out through an NSGA-II algorithm, and a Pareto optimal path set is output. The system comprises a corresponding road network module, a risk module and a planning module. According to the method, the technical problems of multi-target conflict, low initial population quality and satellite risk avoidance of a traditional method are solved, and the timeliness, the concealment and the algorithm efficiency of path planning are remarkably improved.

The invention relates to the technical field of tire health degree evaluation, in particular to a road transport vehicle in-use tire health degree evaluation method, which comprises the following steps of S1, acquiring tire data, S2, constructing a three-level evaluation framework based on a hierarchy analysis method, S3, constructing a first-level index judgment matrix and a second-level index judgment matrix, and S4, constructing a first-level index judgment matrix and a second-level index judgment matrix. The method comprises the following steps: S1, calculating a first-level index and a second-level index, calculating a weight vector of each single index in the first-level index and the second-level index, and carrying out normalization, row summation and further normalization processing on a first-level index judgment matrix and a second-level index judgment matrix, S4, correcting a weight vector coefficient by adopting an entropy weight method, and calculating a combined weight by adopting a multiplication combination method, and S5, carrying out fuzzy comprehensive evaluation by adopting a fuzzy comprehensive evaluation method. And S6, according to the actually measured tire data, evaluating the tire health degree. According to the method, the tire health degree is comprehensively evaluated based on the multi-dimensional indexes, the analytic hierarchy process and the entropy weight method are combined for weighting, the accident rate is reduced, and the operation and maintenance cost is saved.

The invention discloses a highway-railway combined transportation scheduling method and system based on digital twinning and multi-agent cooperation. The method comprises the following steps: establishing a unique binding relationship of people, vehicles and goods in a transportation order based on an RFID binding algorithm, and synchronizing the unique binding relationship to a database; collecting railway transportation state data, road transportation state data and freight station operation data in real time; standardizing the railway transportation state data, the road transportation state data and the freight station operation data through a multi-source data fusion center; the connection time, the route and the parking position of the road vehicle are dynamically adjusted based on the LSTM collaborative scheduling model, and a road vehicle diversion and waiting duration estimation scheme under the emergency situation is output; railway carriage demands are predicted through LSTM, dynamic optimal matching of road trucks and railway carriages is dynamically matched based on a mixed integer programming model, an optimal matching scheme of the road trucks and the railway carriages is generated, unique binding of people, vehicles and goods is achieved by introducing an RFID technology, information barriers are broken, and real-time sharing and standardized interaction of data are achieved.

This invention relates to the field of attaching agricultural implements to tractors, specifically an attachment device for a self-propelled potato planter. The device includes a transition frame, a hydraulic cylinder, connecting rods, and a transition bar. The transition frame is a vertically mounted rectangular frame formed by connecting an upper rod, a left rod, a lower rod, and a right rod end-to-end. The planter frame includes a crossbar and two right-angle brackets at both ends of the crossbar, perpendicular to it. Each right-angle bracket includes an upright post and a horizontal post perpendicular to the upright post. The connecting rod consists of four identical rods. Two connection points on the left rod and two connection points on the upright post of the left right-angle bracket are rotatably connected to the ends of the two connecting rods, forming a parallelogram structure. This invention enables the planter to swing left and right horizontally and float up and down vertically during planting operations. During road transport, the planter is fixedly connected to the tractor, preventing left and right swinging and vertical floating.

A routing optimization method for truck-drone integrated rescue vehicles in forest firefighting includes the following steps: collecting the data of the disaster sites caused by forest fires, calculating transportation time on road and flight time according to the data of the disaster sites, and getting the transportation time data of post-disaster relief; based on the disaster site data, transportation time data, and an amount of relief supplies that can be allocated to disaster relief sites, constructing a mathematical model of the truck-drone based vehicle routing problem; solving the mathematical model of the truck-drone based vehicle routing problem by the optimization algorithm, and specifying a post-disaster rescue route of the truck-drone integrated rescue vehicle according to the solution results. The model based on the truck-drone based vehicle routing problem method can reduce the impact of sudden natural disasters, and give full play to the advantages of truck-drone integrated rescue vehicles.

The invention discloses an integrated drilling and workover rig base capable of being rapidly disassembled and assembled and a using method thereof.The base can serve as an integral structure to be loaded on a flat plate transport vehicle for road transportation in the transportation state and comprises a bottom assembly; a top assembly; the front stand column, the rear stand column, the bottom assembly and the top assembly jointly form a parallelogram folding mechanism; the base lifting cylinder is connected between the bottom assembly and the top assembly; in the transportation state, the parallelogram folding mechanism is in the folded state, so that the top assembly is close to the bottom assembly in the height direction, and the overall appearance size of the base meets the height limiting and width limiting requirements of highway transportation. Through the parallelogram folding structure and the integral transportation design, the integral transportation of the base and the accessories in one train is realized. The two-stage hoisting mechanism is used for guaranteeing safe and stable hoisting, the transportation height is remarkably reduced, the road transportation standard is met, and finally the effects of improving the moving efficiency and reducing the operation cost and the safety risk are achieved.

A transportable scrap metal pre-shredding system comprising a pre-shredding machine (1) with a frame (2) in which upper and lower shafts (5, 7), both with toothed discs, are at least partially housed. The system comprises a drive unit (9), connectable to the pre-shredding machine (1), including at least one hydraulic unit and one motor. In the working position, the pre-shredding machine (1) and the drive unit (9) are connected, while in the transport position, they are disconnected. The system also comprises control means for adjusting the distance between the shafts (5, 7), modifying the direction of rotation of the upper shaft (5), and modifying the rotational speed of at least one of the shafts (5, 7), based on the size of the scrap and the energy consumption required to process it at any given moment. Both the drive unit (9) and the pre-shredding machine (1) are suitable for road transport.

The application provides a road transport vehicle collision risk prediction method and system, and belongs to the technical field of deep learning, wherein trajectory data and alarm data of a road transport vehicle are acquired; a collision risk prediction model that is pre-trained is used to process the acquired trajectory data and alarm data, so that a collision risk prediction result is obtained. The application considers the influence of multi-dimensional factors such as drivers, vehicles, trips, environments, roads and time sequences, realizes accurate short-time prediction of vehicle driving risk, and provides strong technical support for improving the reliability and real-time performance of vehicle driving risk early warning. A SHAP explanation mechanism effectively reveals the nonlinear influence mechanism of multi-dimensional factors on collision risk, and provides theoretical support for dynamic intervention of collision risk.

The present invention relates to a foldable soil cultivation machine with rotary soil cultivation units. Particularly advantageous are the preservation of soil structure through minimal soil disturbance, low energy consumption compared to alternative soil loosening methods, good road transportability, and high combinability of the machine. The tension between the goals of large working widths and good transport characteristics is resolved by the folding tillage machine, which comprises at least several rotary tillage units, several frame elements, at least one linear actuator configured to drive the folding movement between at least two frame elements about the rotatably mounted axis, and at least one transmission mechanism, wherein the at least one transmission mechanism is connected to the at least one linear actuator and at least two frame elements in such a way that the angle of rotation of the frame elements during the folding process about the rotatable axis can be changed in a range of at least 170°, preferably 180°, and this folding movement between a pair of frame elements is driven by a single linear actuator or a set of several parallel, parallel-kinematically acting linear actuators.

The invention relates to a commercial vehicle accident high-risk scene portraying method and system. The method comprises the following steps: acquiring original data; constructing a high-risk scene index system, and defining a risk level; preprocessing the original data based on the high-risk scene index system to obtain preprocessed data; training the self-organizing mapping neural network by utilizing the preprocessed data, and adjusting network node weights by adopting a forgetting suboptimal rule to obtain an initial clustering center; and taking the initial clustering center as a starting point, taking the risk level as an initial K value, and carrying out K-means clustering analysis on the preprocessed data to obtain a commercial vehicle accident high-risk scene portrait result. According to the method, the SOM neural network and the weight updating mechanism with the forgetting factor are introduced to optimize the clustering effect, and the pendulum effect generated in the later period is avoided; through methods of clustering analysis, multiple correspondence analysis and the like, accurate description of an accident high-incidence scene of the commercial vehicle is realized, and a support is provided for comprehensively improving the safety of the road transport vehicle.

The invention discloses a quasi-zero stiffness structure and metamaterial composite vibration isolation platform for transportation vibration reduction, and relates to the technical field of vibration isolation platforms, the quasi-zero stiffness structure and metamaterial composite vibration isolation platform comprises a guide assembly, and the guide assembly comprises a base and an equipment vibration isolation platform which is arranged above the base and can slide and lift relative to the base; the vibration isolation assembly comprises a quasi-zero stiffness structure and a local resonance metamaterial vibration isolation assembly; the quasi-zero stiffness structure is connected and supported between the base and the equipment vibration isolation platform, the local resonance metamaterial vibration isolation assembly is connected between the base and the equipment vibration isolation platform and arranged corresponding to the peripheral side of the quasi-zero stiffness structure, and the local resonance metamaterial vibration isolation assembly and the quasi-zero stiffness structure jointly inhibit vibration transmission from the base to the equipment vibration isolation platform. According to the invention, impact and vibration transmitted to precision equipment by pavement excitation during highway transportation can be effectively inhibited.

This invention discloses a freight train composed of sub-trainsets connected end-to-end. Each sub-trainset consists of a motor car that also functions as a freight car and a group of conventional freight cars it drives. The power supply and pneumatic braking systems of each sub-trainset are independent. Sub-trainsets can be separated from and joined to the main train, enabling rapid unloading and loading of freight. This rationally advances the regional division of labor between rail freight and road transport from arrival and departure hubs to intermediate stations, ensuring that most of the busiest railway lines within 150km can be rationally connected to road freight. This distributed train scheme allows for compact component specifications; it can adopt large-scale passenger car permanent magnet motor drive systems produced in large quantities, accelerating the realization of permanent magnet synchronization of railway drive motors; it uses rubber wheel drive frames, significantly improving the traction force per unit weight, thus multiplying the proportion of trailer-driven motor cars; it makes full use of existing freight cars and existing railways; these cost-saving measures comprehensively promote the "road-to-rail" shift in medium- and long-distance road freight.

An apparatus for use with a road transportable chassis comprises a body and a pair of shells. The body is connected in use to the chassis and defines a floor and a ceiling disposed in stacked spaced relation, the floor being horizontal and above the chassis. Each shell comprises: a floor and a ceiling disposed in stacked spaced relation; and a wall from which the floor and ceiling protrude. The shells are moveable between: a collapsed position, wherein the shells are relatively proximal, the walls are disposed in flanking relation to the body, the ceilings of the shells overly the ceiling of the body and the floors of the shells overly the body floor; and an expanded position, wherein the shells are relatively distal, the ceilings of the shells define extensions of the ceiling of the body and the floors of the shells define extensions of the body floor.

This application provides a third-party monitoring method for road transport safety management, including: a monitoring platform determining the status of a vehicle entering or exiting an assigned electronic fence based on vehicle satellite positioning data, and generating a regional alarm when a vehicle crosses the boundary or violates speed limits; executing a verification and processing procedure for various alarms generated by the monitoring platform, including platform alarms and proactive safety alarms, supporting enterprise users to appeal the verification results and subsequent review; marking the status of vehicles in special states such as being out of service, under maintenance, scrapped, or suspended from monitoring, and providing abnormal movement records and offline duration statistics queries; pushing announcement documents to subordinate enterprises or initiating safety inspection tasks, and requiring enterprises to submit reading receipts or inspection responses; generating statistical reports on daily, weekly, monthly, and yearly cycles, and supporting scheduled automatic or instant push to designated email addresses.

The invention discloses a large double-engine unmanned aerial vehicle convenient to transport and rapidly unfold, and belongs to the technical field of unmanned aerial vehicles, and the unmanned aerial vehicle is composed of a fuselage and empennage module, a central wing and nacelle module, a left outer wing module and a right outer wing module. Wherein the V-shaped empennage can be folded and stored, and the undercarriage can be stored in the front fuselage and the nacelle. After the undercarriage is folded and the empennage is folded, the four modules can be packaged and transported through two containers meeting the national highway transportation standard, and the four modules are quickly connected after the unmanned aerial vehicle arrives at the destination, so that the overall unfolding of the unmanned aerial vehicle can be completed; according to the unmanned aerial vehicle, the number of structural separation surfaces and cable separation surfaces is small, the maintenance cost of the structure and the cable is low, the transportation cost is low, the unfolding time is short, the use cost of the unmanned aerial vehicle is reduced, and the unmanned aerial vehicle can be quickly put into operation after arriving at a designated destination.

The invention relates to the technical field of automobile testing, in particular to a vehicle emergency braking system test analysis method and system, and the method comprises the steps: setting a test environment; detecting whether the vehicle state of the to-be-tested vehicle provided with the one-key emergency braking system meets a preset initial state requirement or not, and if yes, performing one-key emergency braking system testing on the to-be-tested vehicle in the testing environment; the one-key emergency braking system test comprises the steps of controlling a to-be-tested vehicle to run according to a preset test process, collecting vehicle information in the running process, and analyzing whether a corresponding preset function requirement is met or not according to the vehicle information so as to judge whether the one-key emergency braking system of the to-be-tested vehicle passes the test or not. According to the scheme, the effectiveness of the one-key emergency braking system under different working conditions can be accurately tested, so that the intrinsic safety level of road transportation equipment is improved, the active prevention and control capability of vehicle out-of-control is improved, and road traffic safety risks under new technologies and new forms are effectively prevented and solved.

The present application provides a kind of road transport vehicle driving risk uncertainty prediction method and system, belongs to vehicle driving risk prediction technical technical field, obtains the alarm quantity space-time sequence of current time step, traffic space-time sequence and multi-graph static adjacency matrix;Utilize the road transport vehicle driving risk uncertainty prediction model of pre-trained to the alarm quantity space-time sequence, traffic space-time sequence and multi-graph static adjacency matrix obtained are handled, obtain the road transport vehicle alarm quantity on future time step.The present application realizes accurate road transport vehicle driving risk short-time prediction, provides strong technical support for improving the reliability and real-time of vehicle driving risk early warning.

This invention provides a hybrid traffic flow simulation method for road transport vehicle safety management. The method includes constructing a CA (Carrier Module) model and a CTM (Carrier Module Transmission) model considering vehicle heterogeneity, and connecting the simulation areas of the CTM and CA models through a transition zone. The road is divided into several cells of equal length, and the number of vehicles, average speed, vehicle density, and flow rate in the CTM model simulation area are calculated according to the vehicle conservation law. The server inputs the information output from the CTM model into transition zone 1, outputting the driving information of individual vehicles in transition zone 1 at each time step. The information output from transition zone 1 is then input into the CA model, outputting the driving information of individual vehicles of different vehicle types in the CA model simulation area at each time step. Finally, the information output from the CA model is input into transition zone 2, outputting the traffic flow information in transition zone 2. This invention can simulate the traffic flow state throughout the entire road transport process and assess vehicle driving safety at high-risk nodes.

The utility model discloses an anti-skid icebreaking wheel for an off-highway transport vehicle and the off-highway transport vehicle. The anti-skid icebreaking wheel comprises a non-metal tire and a metal hub. The non-metal tire is installed on the metal hub, and a plurality of conical bosses are arranged on the surface of the non-metal tire in an array mode. The road ice crusher can crush ice layers on a road surface, has a driving function of a common road surface, and provides a better solution for driving safety in winter.

A shore power alert system for an over-the-road (OTR) vehicle. The OTR vehicle has a cab, a cargo area, and parking brake system with a parking brake and a compressed air source. The OTR vehicle is coupled to a shore power connection. The shore power connection alert system has a first solenoid valve, a compressed air inlet line, a compressed air outlet line, and a transmission unit. The first solenoid valve has a fluid output line and a fluid input line. The compressed air inlet line is fluidly coupled to the compressed air source. The compressed air outlet line is fluidly coupled to the parking brake.

The application discloses an electronic waybill reporting system and method applied to dangerous goods road transportation, relates to the technical field of data security, and comprises the following steps: collecting structured reporting data and performing field renaming, type conversion and validity detection; performing normalized coding to obtain an idempotent check key; performing sampling and smoothing processing based on the idempotent check key, calculating an event commitment value to form a space-time commitment chain; calculating a track quality base score and a space-time consistency base score according to the space-time commitment chain to generate a quality threshold passing token; screening a minimum disclosure field set according to the token and performing hashing and group encryption to generate a signed message; and completing repeated retrieval and verification based on the signed message to generate an audit log. Through the linkage mechanism of the space-time commitment chain and the quality evaluation module, the quality grading of vehicle track data and the space-time consistency quantization checking are realized.

The rocket road transport vehicle comprises a chassis and a box body, the box body is arranged on the chassis, and the chassis and the box body form a space for containing a rocket body; a bracket sliding rail is arranged on the chassis in the length direction of the chassis, a plurality of supporting brackets are arranged on the bracket sliding rail in the axial direction of the bracket sliding rail, and the supporting brackets are used for supporting a rocket body. The supporting bracket is arranged along the bracket sliding rail in a sliding mode so as to adapt to the length of a rocket body. The carrier vehicle can adapt to any supporting position of different rocket models.

The application discloses a kind of based on digital twin and multi-agent collaborative highway-railway intermodal dispatching method and system, including the unique binding relationship of people, car, goods in transport order based on RFID binding algorithm is established, and it is synchronized to database;Real-time acquisition railway transport state data, highway transport state data and freight station operation data;The standardization processing of railway transport state data, highway transport state data and freight station operation data is carried out by multi-source data fusion center;Based on LSTM collaborative scheduling model, the connection time, route and stop position of highway vehicle are dynamically adjusted, and the highway vehicle rerouting and waiting time estimation scheme under the output of sudden situation are output;Railway carriage demand is predicted by LSTM, and the dynamic optimal matching of highway truck and railway carriage is dynamically matched based on mixed integer programming model, to generate the optimal matching scheme of highway truck and railway carriage, introduce RFID technology to realize the unique binding of people, car and goods, break information barrier, realize data real-time sharing and standardized interaction.

The invention discloses a container and a transportation method of the container. The container is used for storing and transporting liquid materials. The container comprises a front end wall, a rear end wall, a left side wall and a right side wall, the end walls and the side walls extend in the vertical direction, and the height of the container is smaller than or equal to 2 m. According to the container, the container is a square container, under the same length, width and height, the volume is larger than that of a round tank container, the cargo transportation amount can be increased, and the transportation cost can be reduced. Due to the fact that the height of the container is small, when the empty container is transported, the container can be stacked, or the container and other objects can be transported at the same time, the size limitation of road transportation cannot be exceeded, and therefore the empty container transportation cost can be reduced. In addition, due to the fact that the height of the container body is reduced, the amount of loaded liquid is reduced, the requirement for the strength of the container body is reduced, and the manufacturing cost of the container is low.

The invention relates to a mobile crane comprising an undercarriage with a wheeled chassis, a superstructure rotatably mounted on the undercarriage with a boom pivotally mounted about a horizontal luffing axis, and at least one hydraulic luffing cylinder for raising and lowering the boom, which is pivotally mounted on the superstructure about a horizontal pivoting axis and articulated to the boom via a connecting element. According to the invention, the mobile crane includes a holding device arranged on the undercarriage for storing the luffing cylinder in a transport position for road travel, which comprises a receiving element to which the connecting element of the luffing cylinder can be detachably connected, and an adjustment device by means of which the holding device can be moved relative to the undercarriage along a longitudinal direction by extending and retracting the received luffing cylinder.The invention further relates to a method for bringing the mobile crane according to the invention into a transport state.

The invention relates to the technical field of road transportation safety management and artificial intelligence, in particular to a road transportation vehicle risk level assessment method based on deep learning. The method comprises the steps; s1, driving behavior feature recognition; s2, vehicle tire deformation judgment; s3, analyzing the running stability of the vehicle; s4, risk contribution judgment; according to the method, behavior feature vectors are extracted in real time, and dangerous transportation operation behavior categories and risk levels to which the behavior feature vectors belong are judged based on clustering analysis; the method comprises the following steps: acquiring a tire deformation category, judging objective transportation hidden danger risks by combining a tire deformation judgment result and vehicle operation stability, and executing risk contribution analysis based on association of dangerous behaviors and hidden danger risk events in a time window to realize dynamic adjustment of a risk level; according to the invention, the alarm level is dynamically adjusted through multi-channel data identification, so that misjudgment of a single behavior is avoided; and meanwhile, the method can also adapt to different slope sections, loads and road conditions, and has good scene universality and engineering practicability.

The application discloses a dry cargo container for road transportation, which comprises a container body, wherein the container body comprises a bottom plate, a left side plate, a right side plate and a top plate, the side surface of the left side plate is provided with a driving mechanism, the driving mechanism is internally provided with a threaded rod and a moving block, and the container body is internally provided with a loading and unloading mechanism. The dry cargo container for road transportation is characterized in that the loading and unloading mechanism is moved out of the container body by the driving mechanism, then the driving part is driven to drive the hydraulic cylinder in the driving part to drive the mounting base to extend downwards to the position close to the ground below the truck, at this time, the staff on the ground can carry the goods to the upper surfaces of the first supporting rod and the second supporting rod, then the hydraulic cylinder is driven again, so that the first supporting rod and the second supporting rod drive the goods to rise to the position of the door of the container body, and finally the staff in the container body can carry the goods into the container body, thereby completing the loading, and the unloading principle is the same.

The present invention relates to a soil-working machine having rotary soil-working units. Particularly advantageous are the protection of the soil structure by way of the smallest possible soil movement, the low energy consumption compared to alternative soil loosening means, the good road transport possibilities, and a high combinability of the machine. Particularly advantageous is the soil loosening by means of rotary soil-working units, in which at least one circular-path-guiding element guides working elements on a circular path, where said working elements are connected in a rotatably mounted manner to the circular-path-guiding element. The pivot angle plays a very important role here. If the pivot angle is too small, the soil does not fall back sufficiently into its original position when the working element is lifted out. If the pivot angle is too large, the working elements can, in unfavourable situations, rotate in such a way that they do not reach their target working depth. This problem is solved in the context of the present invention in that the angle of the stop elements, connected to the working elements, to one another and the positions of the stop elements fixedly connected to the circular-path-guiding element are designed such that the rotational movement of the working elements in the circumferential bearing point is limited to a pivot angle, in particular preferably 94°.

A method and system for safety access control of hazardous materials transport vehicles includes: responding to a first vehicle positioning signal and executing a first verification process: acquiring entry verification data and verifying the validity of the entry verification data; if the first verification process passes, recording entry identity information and executing a second verification process: acquiring and recognizing a vehicle image, and verifying the consistency of the image recognition result with preset vehicle data and road transport permit information; if the second verification process passes, generating a vehicle entry instruction; responding to a second vehicle positioning signal and executing a third verification process: collecting the current driver's biometrics and extracting current identity features, and verifying the consistency of the current identity features with the entry identity information; wherein, if any verification process fails, an early warning mechanism is triggered. This invention can ensure the accuracy and consistency of driver identity throughout the transportation process, improving the efficiency and safety of safety access control for hazardous materials transport vehicles.

The utility model provides cargo handling equipment for road transportation. The cargo handling equipment for road transportation comprises a supporting frame; the supporting roller is rotationally mounted on the supporting frame and is used for supporting goods; the conveyor belt is sleeved outside the support rollers and is used for assisting in conveying goods; the clamping rod is fixed on the support frame; the hook is detachably mounted on the clamping rod and can be hung on a transport vehicle; and the power structure is arranged on the supporting frame and is used for driving the supporting rollers to rotate. According to the goods loading and unloading equipment for road transportation, the supporting frame, the supporting rollers, the conveying belt and the power structure are arranged, goods can move stably and coherently through the conveying belt, the time for waiting for lifting of an inserting plate during feeding and discharging of traditional inserting plate type equipment is avoided, and the coherence and efficiency of goods loading and unloading are remarkably improved.